V. Comprehension check

1. Circle the correct word(s) to complete each sentence. Take turns reading the correct sentences aloud with a partner.

1. Endocrine glands secrete hormones / neural messages.

2. Hormones travel in the nerves / bloodstream.

3. The central nervous system is comprised of the brain and nerves / spinal cord.

4. Nerves are part of the CNS / PNS.

5. The part of the nervous system that makes decisions is the CNS / PNS.

6. Lymph nodes (rounded bean-shaped structures / thin-walled structures) are also part of the lymphatic system.

7. Cells use as much of the food energy / wastes as they need.

8. The integument also contains principal / accessory structures such as blood vessels, nerves, nails, hair, oil glands, and sweat glands.

9. The bones that make up your spine / chest allow you to sit up straight.

10. The beating of the heart is caused by muscles / fibres.

11. The skull / rib cage protects the brain.

12. Integument is the word used within the medical profession for muscle/skin.

2. Work with a partner to label each statement true (t) or false (f). If the statement is false, correct it so that it is true.

1. _______The nervous system is the main communication and decision-making system of the body.

2. _______The role of the digestive system is to take in food, break it down into small molecules, and put those molecules into the bloodstream.

3. _______The bones in your legs aren't able to support the weight of your body.

4. _______The peripheral nervous system (PNS) consists of the brain and the spinal cord.

5. _______The exchange of gases takes place in the trachea, which is the principle organ of breathing.

6. _______The bones that make up your spine allow you to sit up straight.

7. _______The blood is kept flowing round the body by the pumping action of the heart.

8. _______Integument separates all of the parts of the body inside and allows unwanted things to get into the body from the outside.

9. _______Immune system protects the body from invading organisms and disease.

10. _______An adult skeleton consists of 226 bones divided into three groups: the axial skeleton, appendicular skeleton and accessory skeleton.

11. Although muscle is a tissue composed of fibres that can contract and relax, it can't produce movement in a part of the body.

12. _______The chief endocrine gland is the thyroid.

13. _______Accessory organs help with digestion as they are part of the path of food.

3. Here are the answers to some questions from the text. What are the questions?

1. A system is a combination of organs that performs a particular function.

2. The skeleton is made of four different types of bone.

3. Yes, they are. The bones are the main support for the body.

4. Another function of your skeleton is movement.

5. No, they don't. The ribs don't provide protection for the abdominal organs.

6. Muscular system permits motions and movement of the body.

7. No, it isn't. The integument isn't the inner lining of die body.

8. It doesn't comprise the stomach and intestines. It comprises the heart and blood vessels.

9. It is a network of thin-walled vessels.

10. It doesn't discharge oxygen. It discharges carbon dioxide.

11. Yes, it is. It manufactures hormones.

12. Other endocrine glands are the thyroid, adrenals, and sex glands.